{"id":45284,"date":"2023-04-22T02:59:32","date_gmt":"2023-04-22T07:59:32","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/how-to-make-biofuel-from-vegetable-oil\/"},"modified":"2025-01-21T07:18:21","modified_gmt":"2025-01-21T12:18:21","slug":"how-to-make-biofuel-from-vegetable-oil","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/how-to-make-biofuel-from-vegetable-oil\/","title":{"rendered":"Ch\u1ebf t\u1ea1o nhi\u00ean li\u1ec7u sinh h\u1ecdc t\u1eeb d\u1ea7u th\u1ef1c v\u1eadt"},"content":{"rendered":"

D\u1ea7u th\u1ef1c v\u1eadt \u0111\u00e3 qua s\u1eed d\u1ee5ng, hay c\u00f2n g\u1ecdi l\u00e0 d\u1ea7u th\u1ea3i, th\u01b0\u1eddng b\u1ecb \u0111\u1ed5 b\u1ecf g\u00e2y \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng. Tuy nhi\u00ean, \u00edt ai bi\u1ebft r\u1eb1ng lo\u1ea1i d\u1ea7u n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00e1i ch\u1ebf th\u00e0nh nhi\u00ean li\u1ec7u sinh h\u1ecdc, m\u1ed9t ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng. Qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i n\u00e0y kh\u00f4ng ch\u1ec9 gi\u00fap gi\u1ea3m thi\u1ec3u \u00f4 nhi\u1ec5m m\u00e0 c\u00f2n mang l\u1ea1i m\u1ed9t ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng thay th\u1ebf ti\u1ec1m n\u0103ng. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u00e1ch ch\u1ebf t\u1ea1o nhi\u00ean li\u1ec7u sinh h\u1ecdc t\u1eeb d\u1ea7u th\u1ef1c v\u1eadt \u0111\u00e3 qua s\u1eed d\u1ee5ng.<\/p>\n

Chu\u1ea9n b\u1ecb nguy\u00ean li\u1ec7u v\u00e0 d\u1ee5ng c\u1ee5<\/h3>\n

\u0110\u1ec3 b\u1eaft \u0111\u1ea7u, b\u1ea1n c\u1ea7n chu\u1ea9n b\u1ecb d\u1ea7u th\u1ef1c v\u1eadt \u0111\u00e3 qua s\u1eed d\u1ee5ng, metanol, ch\u1ea5t x\u00fac t\u00e1c (th\u01b0\u1eddng l\u00e0 kali hydroxit – KOH ho\u1eb7c natri hydroxit – NaOH), v\u00e0 c\u00e1c d\u1ee5ng c\u1ee5 c\u1ea7n thi\u1ebft nh\u01b0 b\u00ecnh ph\u1ea3n \u1ee9ng, b\u1ebfp gia nhi\u1ec7t, \u1ed1ng \u0111ong, c\u00e2n \u0111i\u1ec7n t\u1eed, ph\u1ec5u l\u1ecdc, v\u00e0 thi\u1ebft b\u1ecb b\u1ea3o h\u1ed9 c\u00e1 nh\u00e2n nh\u01b0 g\u0103ng tay, k\u00ednh b\u1ea3o h\u1ed9, v\u00e0 kh\u1ea9u trang.<\/p>\n

Qu\u00e1 tr\u00ecnh chuy\u1ec3n este h\u00f3a (Transesterification)<\/h3>\n

Qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i d\u1ea7u th\u1ef1c v\u1eadt th\u00e0nh nhi\u00ean li\u1ec7u sinh h\u1ecdc \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 chuy\u1ec3n este h\u00f3a. \u0110\u1ea7u ti\u00ean, \u0111un n\u00f3ng metanol v\u00e0 ch\u1ea5t x\u00fac t\u00e1c trong b\u00ecnh ph\u1ea3n \u1ee9ng. Sau \u0111\u00f3, th\u00eam d\u1ea7u th\u1ef1c v\u1eadt \u0111\u00e3 \u0111\u01b0\u1ee3c l\u00e0m n\u00f3ng tr\u01b0\u1edbc v\u00e0o b\u00ecnh v\u00e0 khu\u1ea5y \u0111\u1ec1u h\u1ed7n h\u1ee3p \u1edf nhi\u1ec7t \u0111\u1ed9 kho\u1ea3ng 60-70\u00b0C trong kho\u1ea3ng 1-2 gi\u1edd.<\/p>\n

T\u00e1ch glycerin<\/h3>\n

Sau ph\u1ea3n \u1ee9ng chuy\u1ec3n este h\u00f3a, h\u1ed7n h\u1ee3p s\u1ebd t\u00e1ch th\u00e0nh hai l\u1edbp: l\u1edbp tr\u00ean l\u00e0 nhi\u00ean li\u1ec7u sinh h\u1ecdc (methyl ester) v\u00e0 l\u1edbp d\u01b0\u1edbi l\u00e0 glycerin. S\u1eed d\u1ee5ng ph\u1ec5u l\u1ecdc \u0111\u1ec3 t\u00e1ch hai l\u1edbp n\u00e0y. Glycerin c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c m\u1ee5c \u0111\u00edch kh\u00e1c nh\u01b0 s\u1ea3n xu\u1ea5t x\u00e0 ph\u00f2ng.<\/p>\n

R\u1eeda v\u00e0 l\u00e0m kh\u00f4 nhi\u00ean li\u1ec7u sinh h\u1ecdc<\/h3>\n

Nhi\u00ean li\u1ec7u sinh h\u1ecdc thu \u0111\u01b0\u1ee3c sau khi t\u00e1ch glycerin c\u1ea7n \u0111\u01b0\u1ee3c r\u1eeda s\u1ea1ch b\u1eb1ng n\u01b0\u1edbc \u1ea5m nhi\u1ec1u l\u1ea7n \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c t\u1ea1p ch\u1ea5t c\u00f2n s\u00f3t l\u1ea1i nh\u01b0 x\u00e0 ph\u00f2ng, metanol d\u01b0, v\u00e0 ch\u1ea5t x\u00fac t\u00e1c. Sau \u0111\u00f3, l\u00e0m kh\u00f4 nhi\u00ean li\u1ec7u b\u1eb1ng c\u00e1ch \u0111un n\u00f3ng nh\u1eb9 ho\u1eb7c s\u1eed d\u1ee5ng ch\u1ea5t h\u00fat \u1ea9m.<\/p>\n

Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng nhi\u00ean li\u1ec7u<\/h3>\n

Sau khi ho\u00e0n th\u00e0nh qu\u00e1 tr\u00ecnh, c\u1ea7n ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng nhi\u00ean li\u1ec7u sinh h\u1ecdc \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o n\u00f3 \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n s\u1eed d\u1ee5ng. C\u00e1c th\u00f4ng s\u1ed1 c\u1ea7n ki\u1ec3m tra bao g\u1ed3m \u0111\u1ed9 nh\u1edbt, \u0111i\u1ec3m ch\u1edbp ch\u00e1y, h\u00e0m l\u01b0\u1ee3ng n\u01b0\u1edbc, v\u00e0 c\u00e1c t\u1ea1p ch\u1ea5t.<\/p>\n\n\n\n\n\n\n\n
Th\u00f4ng s\u1ed1<\/th>\nTi\u00eau chu\u1ea9n<\/th>\n<\/tr>\n<\/thead>\n
\u0110\u1ed9 nh\u1edbt<\/td>\n< 6 mm\u00b2\/s<\/td>\n<\/tr>\n
\u0110i\u1ec3m ch\u1edbp ch\u00e1y<\/td>\n> 120\u00b0C<\/td>\n<\/tr>\n
H\u00e0m l\u01b0\u1ee3ng n\u01b0\u1edbc<\/td>\n< 0.05%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

L\u01b0u \u00fd an to\u00e0n<\/h3>\n

Qu\u00e1 tr\u00ecnh ch\u1ebf t\u1ea1o nhi\u00ean li\u1ec7u sinh h\u1ecdc li\u00ean quan \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c h\u00f3a ch\u1ea5t c\u00f3 t\u00ednh \u0103n m\u00f2n v\u00e0 d\u1ec5 ch\u00e1y. V\u00ec v\u1eady, c\u1ea7n tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t c\u00e1c quy t\u1eafc an to\u00e0n, s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb b\u1ea3o h\u1ed9 c\u00e1 nh\u00e2n, v\u00e0 th\u1ef1c hi\u1ec7n qu\u00e1 tr\u00ecnh trong m\u00f4i tr\u01b0\u1eddng th\u00f4ng tho\u00e1ng.<\/p>\n

Vi\u1ec7c t\u1ef1 ch\u1ebf t\u1ea1o nhi\u00ean li\u1ec7u sinh h\u1ecdc t\u1eeb d\u1ea7u th\u1ef1c v\u1eadt \u0111\u00e3 qua s\u1eed d\u1ee5ng l\u00e0 m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 \u0111\u1ec3 t\u00e1i ch\u1ebf ch\u1ea5t th\u1ea3i v\u00e0 g\u00f3p ph\u1ea7n b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng. Tuy nhi\u00ean, c\u1ea7n l\u01b0u \u00fd \u0111\u1ebfn c\u00e1c quy tr\u00ecnh v\u00e0 bi\u1ec7n ph\u00e1p an to\u00e0n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o qu\u00e1 tr\u00ecnh di\u1ec5n ra an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3. Hy v\u1ecdng b\u00e0i vi\u1ebft n\u00e0y \u0111\u00e3 cung c\u1ea5p cho b\u1ea1n nh\u1eefng th\u00f4ng tin h\u1eefu \u00edch v\u1ec1 c\u00e1ch ch\u1ebf t\u1ea1o nhi\u00ean li\u1ec7u sinh h\u1ecdc t\u1eeb d\u1ea7u th\u1ef1c v\u1eadt.<\/p>\n","protected":false},"excerpt":{"rendered":"

D\u1ea7u th\u1ef1c v\u1eadt \u0111\u00e3 qua s\u1eed d\u1ee5ng, hay c\u00f2n g\u1ecdi l\u00e0 d\u1ea7u th\u1ea3i, th\u01b0\u1eddng b\u1ecb \u0111\u1ed5 b\u1ecf g\u00e2y \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng. Tuy nhi\u00ean, \u00edt ai bi\u1ebft r\u1eb1ng lo\u1ea1i d\u1ea7u n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00e1i ch\u1ebf th\u00e0nh nhi\u00ean li\u1ec7u sinh h\u1ecdc, m\u1ed9t ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng. Qu\u00e1 tr\u00ecnh chuy\u1ec3n<\/p>\n","protected":false},"author":1,"featured_media":26456,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6406],"tags":[],"class_list":["post-45284","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","prodpage-classic"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/45284","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/comments?post=45284"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/45284\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media\/26456"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media?parent=45284"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=45284"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=45284"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}